drivers/clk/mediatek/clk-mt6765-vcodec.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018 MediaTek Inc.
   4  * Author: Owen Chen <owen.chen@mediatek.com>
   5  */
   6
   7 #include <linux/clk-provider.h>
   8 #include <linux/platform_device.h>
   9
  10 #include "clk-mtk.h"
  11 #include "clk-gate.h"
  12
  13 #include <dt-bindings/clock/mt6765-clk.h>
  14
  15 static const struct mtk_gate_regs venc_cg_regs = {
  16         .set_ofs = 0x4,
  17         .clr_ofs = 0x8,
  18         .sta_ofs = 0x0,
  19 };
  20
  21 #define GATE_VENC(_id, _name, _parent, _shift) {        \
  22                 .id = _id,                              \
  23                 .name = _name,                          \
  24                 .parent_name = _parent,                 \
  25                 .regs = &venc_cg_regs,                  \
  26                 .shift = _shift,                        \
  27                 .ops = &mtk_clk_gate_ops_setclr_inv,    \
  28         }
  29
  30 static const struct mtk_gate venc_clks[] = {
  31         GATE_VENC(CLK_VENC_SET0_LARB, "venc_set0_larb", "mm_ck", 0),
  32         GATE_VENC(CLK_VENC_SET1_VENC, "venc_set1_venc", "mm_ck", 4),
  33         GATE_VENC(CLK_VENC_SET2_JPGENC, "jpgenc", "mm_ck", 8),
  34         GATE_VENC(CLK_VENC_SET3_VDEC, "venc_set3_vdec", "mm_ck", 12),
  35 };
  36
  37 static const struct mtk_clk_desc venc_desc = {
  38         .clks = venc_clks,
  39         .num_clks = ARRAY_SIZE(venc_clks),
  40 };
  41
  42 static const struct of_device_id of_match_clk_mt6765_vcodec[] = {
  43         {
  44                 .compatible = "mediatek,mt6765-vcodecsys",
  45                 .data = &venc_desc,
  46         }, {
  47                 /* sentinel */
  48         }
  49 };
  50
  51 static struct platform_driver clk_mt6765_vcodec_drv = {
  52         .probe = mtk_clk_simple_probe,
  53         .remove = mtk_clk_simple_remove,
  54         .driver = {
  55                 .name = "clk-mt6765-vcodec",
  56                 .of_match_table = of_match_clk_mt6765_vcodec,
  57         },
  58 };
  59
  60 builtin_platform_driver(clk_mt6765_vcodec_drv);